package com.itheima.oneToMany;

import com.itheima.bean01.Classes;
import org.apache.ibatis.annotations.Many;
import org.apache.ibatis.annotations.Result;
import org.apache.ibatis.annotations.Results;
import org.apache.ibatis.annotations.Select;

import java.util.List;

public interface ClassesMapper {
    @Select("select * from classes")
    @Results({
            @Result(column = "id" ,property = "id"),
            @Result(column = "name",property = "name"),
            @Result(
                    property = "students",
                    javaType = List.class,
                    column = "id",
                    many=@Many(select = "com.itheima.oneToMany.StudentMapper.selectById")
            )
    })
    public abstract List<Classes>  selectAll();
}
